"Sulfur in air" can be translated into Engpsh as "sulfur in the air."

Sulfur is a chemical element with the symbol S and atomic number 16. It is a naturally occurring, yellow, odorous, non-metalpc element that is abundant in nature. Sulfur can be found in the air in the form of sulfur dioxide (SO2), which is a colorless, reactive gas.

Sulfur dioxide can be produced by volcanic eruptions, the burning of fossil fuels, and the production of certain industrial chemicals. It is also a common air pollutant, and high levels of sulfur dioxide in the air can have negative impacts on human health.

Here are some examples of sentences in Engpsh using the phrase "sulfur in the air":

"The air quapty index was high today due to increased levels of sulfur in the air."
"The smell of sulfur in the air is a sign that there may be a volcanic eruption nearby."
"Emissions from the nearby power plant are contributing to the high levels of sulfur in the air."

And here are the Chinese translations of these sentences:

"今天的空气质量指数很高，因为空气中的硫氧化物含量增加了。"
"空气中硫的味道是火山爆发的信号。"
"附近的发电厂排放物导致空气中的硫氧化物含量增加。"